General Information

Serial #

N/A

Part Number

1

Total Parts

8

AKA

N/A

Patents

N/A

General Description

.1 METAL; GLASS OPTICS; SYNTHETIC EYEPIECE; PLASTIC TUBING/.2 GLASS TUBE, MERCURY, METAL SHEATH/.3 METAL/.4 GLASS PLATE IN CARDBOARD CASE/.5 GLASS BOTTLE, PLASTIC CAP, PAPER LABEL; MONOBROMNAPTHALENE/.6 PAPER/.7 PLASTIC/.8 WOOD WITH METAL HARDWARE, CLOTH LINING, SYNTHETIC HANDLE

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

19.7 cm

Width

15.0 cm

Height

33.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Chemistry

Category

Test-measurement equipment

Sub-Category

N/A

Manufacturer

AKA

Zeiss

Country

Germany

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

Unknown

Canada

FROM LABORATORIES OF NATIONAL RESEARCH COUNCIL OF CANADA, ONE OF CANADA'S FOREMOST RESEARCH ESTABLISHMENTS IN NUMBER OF SCIENTIFIC & TECHNOLOGICAL AREAS.

Function

INSTRUMENT USED TO DETERMINE REFRACTIVE INDICES OF SUBSTANCES. REFRACTIVE INDEX IS VALUABLE FACTOR IN DETERMINING STRENGTH & PURITY SOLUTIONS, PROPORTIONS OF MIXTURES OF TWO LIQUIDS, PERCENTAGE OF FOREIGN SUBSTANCES IN LIQUIDS ETC.

Technical

REFRACTOMETER OF EARLY 1960'S DESIGNED FOR TESTING & CHECKING PURITY OF MINERAL OILS; DETERMINING PROPORTIONS IN BINARY MIXTURES OF COMPONENTS WITH DIFFERENT REFRACTIVE INDICES, SUGAR OR FAT CONTENT, CONCENTRATION OF AQUEOUS, ALCOHOLIC & ETHEREAL SOLUTIONS; MANUFACTURING CHECKS OF INTERMEDIATE & FINISHED PRODUCTS IN CHEMICAL INDUSTRIES (REF. 2). IT APPEARS IN 1962 & 1964 FISHER CATALOGUES BUT NOT 1967 OR 1952.

Area Notes

Unknown

Details

Markings

.1 INCISED WHITE LETTERING READING "ZEISS/ OPTON [LOGO]/ Nr. 123746/ Germany"/.2 BLACK SCALE MARKINGS FOR O TO 50 CELSIUS ON GLASS/.4 BLACK LETTERING ON CASE READS "ZEISS/ OPTON [LOGO]/ Justierplattchen/ nr 1.5157"/.5 BLACK LETTERING ON LABEL READS "ZEISS/ OPTON [LOGO]/ Monobromnapthalene/ nD = ca. 1,66"/.8 TAG FORMERLY ATTACHED READS "ZEISS-OPTON" & "65006050/ A23746"; HANDWRITTEN BLACK "RI instrument?" ON EXTERIOR

Missing

APPEARS COMPLETE

Finish

.1 PAINTED BLACK WITH BRUSHED METAL PARTS; MIRROR GLASS;DISCOLOURED TUBING/.2 COLOURLESS, TRANSPARENT GLASS; GREY SHEATH/.3 GREY/.4 COLOURLESS, TRANSPARENT GLASS; PURPLE & WHITE CASE/.5 COLOURLESS, TRANSPARENT BOTTLE WITH BLACK CAP, WHITE LABEL; YELLOW LIQUID/.6 WHITE PAPER/.7 OFF-WHITE PLASTIC WITH RED TRIM/.8 COATED WOOD WITH BLACK HANDLE, BLUE PADDING

Decoration

N/A